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If pqr = 1 , rst = 0 , and spr = 0, which of the following c

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Director
Director
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Joined: 07 Jan 2018
Posts: 560
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Kudos [?]: 485 [0], given: 85

If pqr = 1 , rst = 0 , and spr = 0, which of the following c [#permalink] New post 11 Mar 2018, 08:23
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Question Stats:

75% (00:46) correct 25% (00:40) wrong based on 8 sessions
If pqr = 1 , rst = 0 , and spr = 0, which of the following cannot be zero?

Indicate ALL such answers

A) P
B) Q
C) R
D) S
E) T
[Reveal] Spoiler: OA
Manager
Manager
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Joined: 15 Jan 2018
Posts: 147
GMAT 1: Q V
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Kudos [?]: 175 [0], given: 0

Re: If pqr = 1 , rst = 0 , and spr = 0, which of the following c [#permalink] New post 12 Mar 2018, 23:13
If pqr = 1, then none of those can be 0. After all, if any of them were zero, then pqr would equal 0. So A, B, and C are in.

Since rst = 0, any of them could be 0, (excluding p, q, and r because of what we learned in the first equation.) So this equation doesn't tell us about who can't be 0, so much as who can be 0. Same exact logic for spr = 0. So the answer is A, B, and C.
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Re: If pqr = 1 , rst = 0 , and spr = 0, which of the following c   [#permalink] 12 Mar 2018, 23:13
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If pqr = 1 , rst = 0 , and spr = 0, which of the following c

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